src/frontends/xforms/XFormsView.C

   1 /**
   2  * \file XFormsView.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author unknown
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13
  14 #include "XFormsView.h"
  15 #include "lyx_forms.h"
  16
  17 #include "XMiniBuffer.h"
  18 #include "debug.h"
  19 #include "intl.h"
  20 #include "lyxrc.h"
  21 #include "support/filetools.h"        // OnlyFilename()
  22 #include "frontends/Toolbar.h"
  23 #include "frontends/Menubar.h"
  24 #include "frontends/Timeout.h"
  25 #include "frontends/Dialogs.h"
  26 #include "MenuBackend.h"
  27 #include "ToolbarBackend.h"
  28 #include "lyxfunc.h"
  29 #include "bufferview_funcs.h"
  30 #include "BufferView.h"
  31
  32 #include <boost/bind.hpp>
  33 #include <boost/signals/connection.hpp>
  34
  35 using namespace lyx::support;
  36
  37 using std::abs;
  38 using std::endl;
  39
  40 //extern void AutoSave(BufferView *);
  41 extern void QuitLyX();
  42
  43 extern "C" {
  44
  45 static
  46 int C_XFormsView_atCloseMainFormCB(FL_FORM * form, void * p)
  47 {
  48         return XFormsView::atCloseMainFormCB(form, p);
  49 }
  50
  51 }
  52
  53
  54 XFormsView::XFormsView(int width, int height)
  55         : LyXView(),
  56           icon_pixmap_(0), icon_mask_(0)
  57 {
  58         create_form_form_main(width, height);
  59         fl_set_form_atclose(getForm(), C_XFormsView_atCloseMainFormCB, 0);
  60
  61         view_state_con = view_state_changed.connect(boost::bind(&XFormsView::show_view_state, this));
  62         focus_con = focus_command_buffer.connect(boost::bind(&XMiniBuffer::focus, minibuffer_.get()));
  63
  64         // Make sure the buttons are disabled if needed.
  65         updateToolbar();
  66         redraw_con = getDialogs().redrawGUI().connect(boost::bind(&XFormsView::redraw, this));
  67 }
  68
  69
  70 XFormsView::~XFormsView()
  71 {
  72         if (icon_pixmap_)
  73                 XFreePixmap(fl_get_display(), icon_pixmap_);
  74
  75         minibuffer_->freeze();
  76         fl_hide_form(form_);
  77         fl_free_form(form_);
  78 }
  79
  80
  81 /// Redraw the main form.
  82 void XFormsView::redraw()
  83 {
  84         lyxerr[Debug::INFO] << "XFormsView::redraw()" << endl;
  85         fl_redraw_form(getForm());
  86         minibuffer_->redraw();
  87 }
  88
  89
  90 FL_FORM * XFormsView::getForm() const
  91 {
  92         return form_;
  93 }
  94
  95
  96 // Callback for close main form from window manager
  97 int XFormsView::atCloseMainFormCB(FL_FORM *, void *)
  98 {
  99         QuitLyX();
 100         return FL_IGNORE;
 101 }
 102
 103
 104 void XFormsView::show(int x, int y, string const & title)
 105 {
 106         FL_FORM * form = getForm();
 107
 108         fl_set_form_minsize(form, form->w, form->h);
 109
 110         int placement = FL_PLACE_CENTER | FL_FREE_SIZE;
 111
 112         // Did we get a valid geometry position ?
 113         if (x >= 0 && y >= 0) {
 114                 fl_set_form_position(form, x, y);
 115                 placement = FL_PLACE_POSITION;
 116         }
 117
 118         fl_show_form(form, placement, FL_FULLBORDER, title.c_str());
 119
 120         show_view_state();
 121 }
 122
 123
 124 void XFormsView::create_form_form_main(int width, int height)
 125         /* to make this work as it should, .lyxrc should have been
 126          * read first; OR maybe this one should be made dynamic.
 127          * Hmmmm. Lgb.
 128          * We will probably not have lyxrc before the main form is
 129          * initialized, because error messages from lyxrc parsing
 130          * are presented (and rightly so) in GUI popups. Asger.
 131          */
 132 {
 133         // the main form
 134         form_ = fl_bgn_form(FL_NO_BOX, width, height);
 135         getForm()->u_vdata = this;
 136         FL_OBJECT * obj = fl_add_box(FL_FLAT_BOX, 0, 0, width, height, "");
 137         fl_set_object_color(obj, FL_MCOL, FL_MCOL);
 138
 139         // Parameters for the appearance of the main form
 140         int const air = 2;
 141         int const bw = abs(fl_get_border_width());
 142
 143         menubar_.reset(new Menubar(this, menubackend));
 144
 145         toolbar_.reset(new Toolbar(this, air, 30 + air + bw));
 146
 147         int const ywork = 60 + 2 * air + bw;
 148         int const workheight = height - ywork - (25 + 2 * air);
 149
 150         bufferview_.reset(new BufferView(this, air, ywork,
 151                 width - 3 * air, workheight));
 152
 153         minibuffer_.reset(new XMiniBuffer(*controlcommand_,
 154                 air, height - (25 + air), width - (2 * air), 25));
 155
 156         //  assign an icon to main form
 157         string const iconname = LibFileSearch("images", "lyx", "xpm");
 158         if (!iconname.empty()) {
 159                 unsigned int w, h;
 160                 icon_pixmap_ = fl_read_pixmapfile(fl_root,
 161                                            iconname.c_str(),
 162                                            &w,
 163                                            &h,
 164                                            &icon_mask_,
 165                                            0,
 166                                            0,
 167                                            0);
 168                 fl_set_form_icon(getForm(), icon_pixmap_, icon_mask_);
 169         }
 170
 171         // set min size
 172         fl_set_form_minsize(getForm(), 50, 50);
 173
 174         fl_end_form();
 175 }
 176
 177
 178 void XFormsView::setWindowTitle(string const & title, string const & icon_title)
 179 {
 180         fl_set_form_title(getForm(), title.c_str());
 181         fl_winicontitle(form_->window, icon_title.c_str());
 182 }
 183
 184
 185 void XFormsView::message(string const & str)
 186 {
 187         minibuffer_->message(str);
 188 }
 189
 190
 191 void XFormsView::clearMessage()
 192 {
 193         message(getLyXFunc().view_status_message());
 194 }
 195
 196
 197 void XFormsView::show_view_state()
 198 {
 199         message(getLyXFunc().view_status_message());
 200 }
 201
 202
 203 void XFormsView::busy(bool yes) const
 204 {
 205         if (yes) {
 206                 view()->hideCursor();
 207
 208                 static Cursor cursor;
 209                 static bool cursor_undefined = true;
 210
 211                 if (cursor_undefined) {
 212                         cursor = XCreateFontCursor(fl_get_display(), XC_watch);
 213                         XFlush(fl_get_display());
 214                         cursor_undefined = false;
 215                 }
 216
 217                 /// set the cursor to the watch for all forms and the canvas
 218                 XDefineCursor(fl_get_display(), getForm()->window, cursor);
 219
 220                 XFlush(fl_get_display());
 221
 222                 /// we only need to deactivate to prevent resetting the cursor
 223                 /// to I-beam over the workarea
 224                 fl_deactivate_all_forms();
 225         } else {
 226                 /// reset the cursor from the watch for all forms and the canvas
 227
 228                 XUndefineCursor(fl_get_display(), getForm()->window);
 229
 230                 XFlush(fl_get_display());
 231                 fl_activate_all_forms();
 232         }
 233 }